Ampetronic MLD5 Installation Handbook
Page 6
OVERVIEW
I/O:
Power Switch.
INPUT 1 & 2:
Screwdriver adjustable controls which set the level of the input signals.
AUTOMTIC GAIN CONTROL (AGC) COMPRESSION:
Shows the amount of gain
reduction in decibels (dB) that is applied to the input signal(s).
METAL LOSS CORRECTOR (MLC):
Screwdriver adjustable control which compensates
for the frequency dependant effects of metal in the looped environment.
OUTPUT CHANNEL WARNING LEDs:
‘CLIP’ LED signifies output voltage is clipping,
‘LOOP’ LED signifies a cable specification error or damage. See troubleshooting for details.
OUTPUT CHANNEL CURRENT ADJUSTMENT:
Screwdriver adjustable control which sets
the level of output current delivered to the loop.
OUTPUT CHANNEL CURRENT LEDs:
Indicates the peak current delivered to the loop.
TEMPERATURE WARNING LED: I
ndicates that the internal heatsink is too hot. Loop
current is not delivered to either channel. See toubleshooting for details.
MONITOR:
3.5mm jack socket for use with stereo headphones to listen to the signal being
delivered to the loop.
POWER INDICATOR LIGHT:
Flashes continuously when amplifier has failed self test and
is in safe mode. See troubleshooting for details.
FRONT VENT:
Fan assisted ventilation inlet with filter. DO NOT cover.
1
2
Gain boos
t
Phantom
Gain boos
t
Phantom
MIC
LINE
MIC
LINE
INPUT 2
INPUT 1
OUTPUT
PHASE
STATUS
0.1A
+12V
LOOP OUTPUT
CHANNEL A
CHANNEL B
Induction Loop Driver
AC POWER INPUT
230V
45 - 65Hz
Power: 85W
Fuse: T 630mA L
Designed and Engineered in the UK
Serial No
DC OUTPUT
MLD5
LOOP O/P CONNECTIONS
1-
2-
1+
2+
0
1
36
30
24
18
12
6
INPUT 1
INPUT 2
MLC
AGC (dB)
7.0
5.5
3.5
2.5
1.8
1.2
CURRENT (A pk)
CLIP
LOOP
CLIP
LOOP
CH B
CH A
TEMP
MLD5
0
1
0
1
0
1
0
1
INDUCTION LOOP DRIVER
www.ampetronic.com
3
4
5
6
7
8
10
9
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15 16
17
Gain boos
t
Phantom
Gain boos
t
Phantom
MIC
LINE
MIC
LINE
INPUT 2
INPUT 1
OUTPUT
PHASE
STATUS
0.1A
+12V
LOOP OUTPUT
CHANNEL A
CHANNEL B
Induction Loop Driver
AC POWER INPUT
230V
45 - 65Hz
Power: 85W
Fuse: T 630mA L
Designed and Engineered in the UK
Serial No
DC OUTPUT
MLD5
LOOP O/P CONNECTIONS
1-
2-
1+
2+
0
1
36
30
24
18
12
6
INPUT 1
INPUT 2
MLC
AGC (dB)
7.0
5.5
3.5
2.5
1.8
1.2
CURRENT (A pk)
CLIP
LOOP
CLIP
LOOP
CH B
CH A
TEMP
MLD5
0
1
0
1
0
1
0
1
INDUCTION LOOP DRIVER
www.ampetronic.com
